8021 Food Aluminum Foil

Updated : Dec. 21, 2023
Table of Contents
  1. Specifications of 8021 Food Aluminum Foil
  2. 8021 Food Aluminum Foil Mechanical Properties
  3. 8021 Food Aluminum Foil Features and Benefits
  4. 8021 Food Aluminum Foil Applications
  5. 8021 Food Aluminum Foil Manufacturing Process
  6. Conclusion

In the world of food packaging, materials that package our favorite snacks, maintain freshness and protect the integrity of the food play a vital role. 8021 Food Aluminum Foil is one of those materials that stands out for its versatility and reliability.

The structure of 8021 food aluminum foil is worth noting. It usually consists of three layers: aluminum layer, middle barrier layer and inner layer. The aluminum layer provides strength and flexibility, the barrier layer prevents moisture, light and gas penetration, and the inner layer ensures the packaging is safe for food contact.

8021 food aluminum foil

Specifications of 8021 Food Aluminum Foil

Alloy 8021
Temper O, H14, H16, H18, H19, H22, H24
Thickness(mm) 0.006-0.2
Width(mm) 100-1600
Applications food packaging, foil tray and battery soft pack

8021 Food Aluminum Foil Mechanical Properties

Elastic Modulus 70Gpa
Elongation at Break 2.30%
Fatigue strength 61 Mpa
Poisson’s Ratio 0.33
Shear Modulus 26 Gpa
Yield strength 130 Mpa
Tensile Strength 160 Mpa

8021 Food Aluminum Foil Features and Benefits

A. Barrier performance

One of the main advantages of 8021 food aluminum foil is its excellent barrier properties. Foil acts as a barrier against external factors such as moisture, light and gas, preventing them from affecting the quality and freshness of packaged food. This makes it ideal for packaging perishable items including fruit, vegetables and dairy products.

B. Flexibility and formability

8021 food aluminum foil is known for its flexibility and formability. Its malleability allows it to conform to the shape of packaged food, ensuring a tight fit and minimizing the risk of contamination. Foil retains its integrity even after repeated bending and shaping, making it the material of choice for a variety of packaging formats, including bags, wrappers and trays.

8021 aluminum foil

C. Heat resistance

The foil has excellent heat resistance, making it suitable for applications involving cooking, baking or reheating. Whether used in the oven or microwave, 8021 food aluminum foil ensures even heating of packaged food without compromising its safety or quality. This feature adds to the convenience and versatility of the kitchen material.

D. Lightweight and cost-effective

8021 food aluminum foil is lightweight and helps reduce overall packaging weight. Not only does this make shipping more efficient, it is also in line with sustainable packaging initiatives. Additionally, the cost-effectiveness of aluminum foil coupled with its recyclability makes it an economically viable and environmentally friendly packaging solution.

8021 Food Aluminum Foil Applications

A. Flexible packaging

8021 food aluminum foil is widely used in flexible packaging applications. Its ability to form a protective barrier against external elements makes it ideal for packaging snacks, confectionery and ready-to-eat meals.

The flexibility of the foil allows the creation of bags and packaging that can accommodate a variety of food products while maintaining its quality.

8021 aluminum foil is an opaque packaging material. It is a good packaging material for products that need to be protected from sunlight. For example, margarine is commonly packaged in aluminum foil.

8021 Food Aluminum Foil Flexible packaging

B. Container foil

The heat resistance and formability of 8021 food aluminum foil make it a suitable material for food containers. Whether used for takeout, prepackaged dinners, or baked goods, foil ensures food stays fresh and can be easily reheated without having to be transferred to another container.

In terms of processing, 8021 aluminum foil has good plasticity and can be processed into products of various shapes and containers of various shapes.

C. Drug packaging

In addition to the food field, 8021 aluminum foil is also used in pharmaceutical packaging. Its barrier properties protect the drug from external factors, ensuring its stability and effectiveness. The foil is commonly used in blister packs and tape packaging to provide a secure and tamper-proof packaging solution for pharmaceutical products.

8021 Food Aluminum Foil Manufacturing Process

The production of 8021 food aluminum foil involves a series of carefully controlled steps. The process begins with casting an aluminum ingot, which is then rolled into thin sheets. The sheets then undergo a series of cold rolling, annealing and heat treatment processes to obtain the required thickness and mechanical properties.

A protective layer is then applied to the foil to enhance its barrier properties. This coating is typically applied through a meticulous coating process to ensure even coverage. The result is a high-quality food-grade aluminum foil with excellent barrier properties and flexibility.

One of the key environmental aspects of 8021 food aluminum foil is its recyclability. Aluminum can be infinitely recycled without compromising its quality, making it a sustainable choice for food packaging. The recycling process consumes significantly less energy than primary production, helping to conserve resources and reduce carbon emissions.

Conclusion

8021 Food Aluminum Foil proves the ingenuity and adaptability of materials for the packaging industry. Its unique combination of properties, including barrier properties, flexibility and recyclability, cements its position as the first choice for food packaging.

As technology advances and sustainability becomes an increasingly integral consideration, aluminum foil continues to evolve to meet the needs of manufacturers and consumers. In today's world, where packaging plays a vital role in protecting food quality and safety, 8021 Food Aluminum Foil stands out as a reliable and sustainable solution, contributing to the ongoing evolution of innovative and environmentally friendly packaging materials.

Related Topics: food packing cooking aluminum Cookware Aluminum

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